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SysML FAQ: What is a Package diagram (PKG) and how is it used?

What is a SysML Package diagram?

Definitions

Package: A Package (notation: "folder" icon) is a general-purpose mechanism for organizing model elements and diagrams into groups. Packages define unique namespaces for model elements defined within their scope.

  • namespace = a declarative region that provides scope for the identifiers contained within

Package diagram (pkg): A Package diagram is a static structural diagram that shows the relationships among packages and their contents. Package can be stereotyped (customized) for organizing model elements into models, views, model libraries, and frameworks.

Purpose

The purpose of Package diagram is to support the organization and management of large, complex System Architecture Models (SAMs).

SysML Package Diagram Example
SysML Package Diagram (PKG): Views & Viewpoints
SysML Package Diagram Example
SysML Package Diagram Example
SysML Package Diagram (PKG): System Design View
SysML Package Diagram Example
Diagram Properties
DIAGRAM PROPERTIES
EXECUTABLE SEMANTICS
FORMAL SEMANTICS
Diagram Name Diagram Type UML 2 Analog SDLC Usage Essential
AGILE SYSML?		 Dynamic
Sim †		 Math
Sim ‡		 Auto
Code
Gen		 Rigor Semi Informal
Package diagram (pkg) Static Structure
[Grouping]		 Package
[minor mods]		 All SDLC phases
Usage Notes
BEST PRACTICE PATTERNS ANTI-PATTERNS
* Use a Enterprise Architecture Framework (EAF) Package Patterns to organize the complexity of your System Architecture Model. * Fractured-Framework Anti-Pattern: Ad Hoc/Chaotic Package organization.
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